20451621 (number)

20451621 is an odd 8-digits composite number following 20451620 and preceding 20451622. In scientific notation, it is written as 2.0451621 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13442240 positive integers (up to 20451621) that are relatively prime to 20451621.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand six hundred twenty-one

Notation

Scientific notation 2.0451621 × 10^7
Engineering notation 2.0451621 × 10^6

Prime Factorization of 20451621

Prime Factorization 3 × 71 × 96017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20451621
Product of the distinct prime numbers

The prime factorization of 20451621 is 3 × 71 × 96017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451621)

Multiplication

n×y
n×2 40903242
n×3 61354863
n×4 81806484
n×5 102258105

Division

n÷y
n÷2 10225810.5
n÷3 6817207
n÷3 5112905.25
n÷5 4090324.2

Exponentiation

ny
n2 418268801527641
n3 8.5542750049675E+21
n4 1.7494879033137E+29
n5 3.5779863542656E+36

Nth Root

y√n
2√n 4522.3468464946
3√n 273.46971959493
4√n 67.248396609099
5√n 28.983147511081

Divisors of 20451621

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20451620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451621 can be divided by 8 positive divisors. The sum of these divisors (counting 20451621) is 1, the average is 0.125.

Base conversion 20451621

Base System Value
2 Binary 1001110000001000100100101
3 Ternary 1102111001100110
4 Quaternary 1032001010211
5 Quinary 20213422441
6 Senary 2010203233
8 Octal 116010445
10 Decimal 20451621
12 Duodecimal 6a23519
16 Hexadecimal 1381125
20 Vigesimal 67g911
36 Base36 c6ckl

Cryptographic Hash Functions

md5 07726e4cbe2f70baf6a261b665fcfae3
sha1 dd31102b5c9acc50a8a7bf777d2cc09fada207ee
sha256 6294353c7fc80d1e20e713f61dba3be40a146eae8ad21ff7aadf0aab44f7eee3
sha512 832c40d2e11de4c9e1458e7bd0f5aa5dbe8da11bb55788e94bfec7a8e87f25bb42574d5fc1dc96ab1922b19ac511e3ddf5e84eb43d4e5a80d3fc195f9f845ed9
ripemd-160 8337005b2e8a553d133cf2825ebd727b782adaac

20451621 as geometric shapes

Circle

Radius = n
Diameter 40903242
Circumference 128501324.57521
Area 1.314030194105E+15

Sphere

Radius = n
Volume 3.5832063349857E+22
Surface area 5.2561207764202E+15
Circumference 128501324.57521

Square

Length = n
Perimeter 81806484
Area 418268801527641
Diagonal 28922959.790714

Cube

Length = n
Surface area 2509612809165846
Volume 8.5542750049675E+21
Space diagonal 35423246.669143

Equilateral Triangle

Length = n
Perimeter 61354863
Area 1.811157038667E+14
Altitude 17711623.334571

Triangular Pyramid

Length = n
Surface area 1.811157038667E+14
Volume 1.0081309773579E+21
Height 9640986.5969048